help button is not visible

Hi !
ALL
i am new to symbian. i am trying to make a login screen for 80's that contain name, password, checkbox, ok button.

my first question is i have to create them at run time or by resource file.
i am trying to create a button at run time but it is not visible to me.
is there any prob in the code. i am making in view constructL


BtnSave->SetContainerWindowL(*this);
    BtnSave->SetTextL(_L(" Save "));
    BtnSave->SetObserver((MCoeControlObserver*)this);   
   BtnSave->SetPosition(TPoint(100,100));
    BtnSave->MakeVisible(EFalse);
    BtnSave->DrawNow();


Thanks